[MAPREDUCE-798] MRUnit should be able to test a succession of MapReduce passes

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.21.0
• Component/s: contrib/mrunit
• Hadoop Flags: Reviewed
• Release Note: Add PipelineMapReduceDriver to MRUnit to support testing a pipeline of MapReduce passes
• Assignee: Aaron Kimball
• Reporter: Aaron Kimball
• Created: 23/Jul/09 20:32
• Updated: 24/Aug/10 21:14
• Resolved: 24/Aug/09 12:01

Description

MRUnit can currently test that the inputs to a given (mapper, reducer) "job" produce certain outputs at the end of the reducer. It would be good to support more end-to-end tests of a series of MapReduce jobs that form a longer pipeline surrounding some data.